10mm WPA Dynavap Glass marble Stem- Secret White/ Red Blue Green
$99.99
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10mm WPA Dynavap Stem. Stem comes with 2 additional o-rings (6x1.1mm) that are 0.1mm larger then the stock oring to ensure a secure fit. *Some tips work best with one 6x1.1mm o-ring in the uppermost o-ring position that inserts inside the stem.
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